pktcdvd: remove a pointless debug check in pkt_submit_bio

->queuedata is set up in pkt_init_queue, so it can't be NULL here.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20220304180105.409765-4-hch@lst.de


Signed-off-by: Jens Axboe <axboe@kernel.dk>